| Collector | Holm-Nielsen, L. B. |
| Number | 19737 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Road Coca - Auca oilfields, km 53. Primary rain forest. |
| Coordinates | 0° 50' S 76° 52' W |
| Minimum elevation (m) | 400 |
| Maximum elevation (m) | 400 |
| Start date | 1979/08/20 |
| End date | 1979/08/20 |
| Family | Melastomataceae |
| Identification | Aciotis polystachya (Bonpl.)Triana |
| Determined by | Freire Fierro, A. (MO), 1998. |
| Identification qualifier | |
| Field notes | Flowers lilac. |
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